Quote:
Originally Posted by 66C06
They will work on '01.5-06 as well you just can't use drive by wire unless you swap the whole harness and throttle pedal assembly
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Yea they will fit a 99-06 also but if you have dbc you will need an adapter or an aftermarket throttlebody.
Quote:
Originally Posted by Oilbrnr
Well, this thread is a bit old, but essentially, this will be a DD. I've got about an 18 mile commute one way to work and 2.5 of that is on dirt/washboard roads to my house. Trying to use the K5 instead of my newer vehicles to save wear/tear on the suspension and interior bits. I already have the 4.8 so originally I was thinking I could eek out a bit more from it, but as others have said, a decent set of headers and a tune will be ahead of the 350 that is in it now. So I'll probably just leave well enough alone. If I do feel the need to go bigger later, I'll skip the LS family entirely and go right to the 8.1. FWIW this 4.8 has the 243 heads.
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My guess is that your motor is 07+ or someone added the 243 heads later. where are the knock sensors(side of the block or valley) The 8.1 is not the way to go unless you are putting it into a boat. The after market is geared to the boating market an expensive. The 6.0 will beat an 8.1 hands down. What transmission are you planning to run?